From c568f0a8c9f0aef00c770b494ee1ff3a89ab48de Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Sun, 22 May 2022 01:08:24 -0700
Subject: Changeset: 35 Fix missing sources in git submodules after migration
 to PlasticSCM

---
 3rdparty/glm/source/test/perf/perf_matrix_div.cpp | 153 ++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 3rdparty/glm/source/test/perf/perf_matrix_div.cpp

(limited to '3rdparty/glm/source/test/perf/perf_matrix_div.cpp')

diff --git a/3rdparty/glm/source/test/perf/perf_matrix_div.cpp b/3rdparty/glm/source/test/perf/perf_matrix_div.cpp
new file mode 100644
index 0000000..630188d
--- /dev/null
+++ b/3rdparty/glm/source/test/perf/perf_matrix_div.cpp
@@ -0,0 +1,153 @@
+#define GLM_FORCE_INLINE
+#include <glm/ext/matrix_float4x4.hpp>
+#include <glm/ext/matrix_double4x4.hpp>
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/ext/matrix_relational.hpp>
+#include <glm/ext/vector_float4.hpp>
+#if GLM_CONFIG_SIMD == GLM_ENABLE
+#include <glm/gtc/type_aligned.hpp>
+#include <vector>
+#include <chrono>
+#include <cstdio>
+
+template <typename matType>
+static void test_mat_div_mat(matType const& M, std::vector<matType> const& I, std::vector<matType>& O)
+{
+	for (std::size_t i = 0, n = I.size(); i < n; ++i)
+		O[i] = M / I[i];
+}
+
+template <typename matType>
+static int launch_mat_div_mat(std::vector<matType>& O, matType const& Transform, matType const& Scale, std::size_t Samples)
+{
+	typedef typename matType::value_type T;
+
+	std::vector<matType> I(Samples);
+	O.resize(Samples);
+
+	for(std::size_t i = 0; i < Samples; ++i)
+		I[i] = Scale * static_cast<T>(i) + Scale;
+
+	std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
+	test_mat_div_mat<matType>(Transform, I, O);
+	std::chrono::high_resolution_clock::time_point t2 = std::chrono::high_resolution_clock::now();
+
+	return static_cast<int>(std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1).count());
+}
+
+template <typename packedMatType, typename alignedMatType>
+static int comp_mat2_div_mat2(std::size_t Samples)
+{
+	typedef typename packedMatType::value_type T;
+	
+	int Error = 0;
+
+	packedMatType const Transform(1, 2, 3, 4);
+	packedMatType const Scale(0.01, 0.02, 0.03, 0.05);
+
+	std::vector<packedMatType> SISD;
+	std::printf("- SISD: %d us\n", launch_mat_div_mat<packedMatType>(SISD, Transform, Scale, Samples));
+
+	std::vector<alignedMatType> SIMD;
+	std::printf("- SIMD: %d us\n", launch_mat_div_mat<alignedMatType>(SIMD, Transform, Scale, Samples));
+
+	for(std::size_t i = 0; i < Samples; ++i)
+	{
+		packedMatType const A = SISD[i];
+		packedMatType const B = SIMD[i];
+		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
+		assert(!Error);
+	}
+	
+	return Error;
+}
+
+template <typename packedMatType, typename alignedMatType>
+static int comp_mat3_div_mat3(std::size_t Samples)
+{
+	typedef typename packedMatType::value_type T;
+	
+	int Error = 0;
+
+	packedMatType const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9);
+	packedMatType const Scale(0.01, 0.02, 0.03, 0.05, 0.01, 0.02, 0.03, 0.05, 0.01);
+
+	std::vector<packedMatType> SISD;
+	std::printf("- SISD: %d us\n", launch_mat_div_mat<packedMatType>(SISD, Transform, Scale, Samples));
+
+	std::vector<alignedMatType> SIMD;
+	std::printf("- SIMD: %d us\n", launch_mat_div_mat<alignedMatType>(SIMD, Transform, Scale, Samples));
+
+	for(std::size_t i = 0; i < Samples; ++i)
+	{
+		packedMatType const A = SISD[i];
+		packedMatType const B = SIMD[i];
+		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
+		assert(!Error);
+	}
+	
+	return Error;
+}
+
+template <typename packedMatType, typename alignedMatType>
+static int comp_mat4_div_mat4(std::size_t Samples)
+{
+	typedef typename packedMatType::value_type T;
+	
+	int Error = 0;
+
+	packedMatType const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
+	packedMatType const Scale(0.01, 0.02, 0.05, 0.04, 0.02, 0.08, 0.05, 0.01, 0.08, 0.03, 0.05, 0.06, 0.02, 0.03, 0.07, 0.05);
+
+	std::vector<packedMatType> SISD;
+	std::printf("- SISD: %d us\n", launch_mat_div_mat<packedMatType>(SISD, Transform, Scale, Samples));
+
+	std::vector<alignedMatType> SIMD;
+	std::printf("- SIMD: %d us\n", launch_mat_div_mat<alignedMatType>(SIMD, Transform, Scale, Samples));
+
+	for(std::size_t i = 0; i < Samples; ++i)
+	{
+		packedMatType const A = SISD[i];
+		packedMatType const B = SIMD[i];
+		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
+		assert(!Error);
+	}
+	
+	return Error;
+}
+
+int main()
+{
+	std::size_t const Samples = 100000;
+
+	int Error = 0;
+
+	std::printf("mat2 / mat2:\n");
+	Error += comp_mat2_div_mat2<glm::mat2, glm::aligned_mat2>(Samples);
+	
+	std::printf("dmat2 / dmat2:\n");
+	Error += comp_mat2_div_mat2<glm::dmat2, glm::aligned_dmat2>(Samples);
+
+	std::printf("mat3 / mat3:\n");
+	Error += comp_mat3_div_mat3<glm::mat3, glm::aligned_mat3>(Samples);
+	
+	std::printf("dmat3 / dmat3:\n");
+	Error += comp_mat3_div_mat3<glm::dmat3, glm::aligned_dmat3>(Samples);
+
+	std::printf("mat4 / mat4:\n");
+	Error += comp_mat4_div_mat4<glm::mat4, glm::aligned_mat4>(Samples);
+	
+	std::printf("dmat4 / dmat4:\n");
+	Error += comp_mat4_div_mat4<glm::dmat4, glm::aligned_dmat4>(Samples);
+
+	return Error;
+}
+
+#else
+
+int main()
+{
+	return 0;
+}
+
+#endif
-- 
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